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Heart|Natural|GIA

1.21ct I SI2 Heart Natural Diamond

EX • I/SI2 • GIA 6542649830

Certificate GIA 6542649830

Diamond specifications and retailer prices

From €1,973 EUR
As of November 4, 2026
Save €3,067 EUR (61%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: €5,040 EUR at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.21ct natural heart diamond

This 1.21ct natural heart sits in the classic one-carat band, graded I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6542649830. Listed at 15 retailers as of November 4, 2026, with prices from €1,973 to €5,040, a €3,067 spread on the same certified stone. NZ Jewellers lists it at €5,040. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.21
Carat
I
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.21°
Pavilion angle38.86°
OriginNatural
Grading LabGIA
CertificateGIA 6542649830
Dimensions7.33 × 6.44 × 4.11 mm
L/W Ratio1.14
Top View
7.33 mm6.44 mm1.21 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6542649830
Side View
Table 58.0%Crown 37.21°Girdle: Very ThickPavilion 38.86°Culet: NoneDepth 56.0%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: €5,040 EUR|Low: €1,680 EUR|High: €5,040 EUR|Avg: €2,820 EUR
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 5€2,016 EUR
Retailer 8€2,184 EUR
Retailer 9€2,184 EUR
Retailer 6€2,285 EUR
Retailer 2€2,370 EUR
Retailer 7€2,379 EUR
Retailer 3€2,551 EUR
Retailer 4€4,211 EUR
NZ Jewellers€5,040 EUR

42 data points across 9 retailers

15 retailers€1,973 EUR to €5,040 EUR

B+
Cheapest Retailer
-
€1,973 EUR
B+
Retailer 2
-
€2,016 EUR
View
Final sale: no returns
B+
Retailer 3
-
€2,107 EUR
View
B+
Retailer 4
-
€2,184 EUR
View
Retailer 5
-
€2,184 EUR
View
Price last confirmed 9 days ago
B+
Retailer 6
-
€2,285 EUR
View
B+
Retailer 7
-
€2,370 EUR
View
B+
Retailer 8
-
€2,379 EUR
View
B
Retailer 9
-
€2,508 EUR
View
B
Retailer 10
-
€2,508 EUR
View
B
Retailer 11
-
€2,520 EUR
View
B+
Retailer 12
-
€2,551 EUR
View
B
Retailer 13
-
€2,588 EUR
View
B
Retailer 14
-
€4,211 EUR
View
Most Expensive
B
NZ Jewellers
5fd23dc7-293c-4423-baa7-ab88def76700 · Nov 5
€5,040 EUR
$5,627 USD
View
14 more retailers have this diamond
Prices start from €1,973 EURSave up to €3,067 EUR

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

B+
1.21ct Heart
€1,973 EUR